1: #!/usr/bin/perl
2: $|=1;
3: # The LearningOnline Network with CAPA
4: # User Status
5: # (Versions
6: # (Running loncron
7: # 09/06/01 Gerd Kortemeyer)
8: # 02/18/02,02/19/02 Gerd Kortemeyer)
9:
10: use strict;
11: use lib '/home/httpd/lib/perl/';
12: use LONCAPA::Configuration;
13:
14: use HTTP::Headers;
15: use IO::File;
16:
17:
18: my %usercount;
19: my @actl=('Active','Moderately Active','Inactive');
20:
21:
22: print "Content-type: text/html\n\n";
23:
24: # -------------------- Read loncapa.conf (and by default, loncapa_apache.conf).
25: &main();
26:
27: sub analyze_time {
28: my ($since)=@_;
29: my $color="#000000";
30: my $userclass=$actl[0];
31: if ($since>300) { $color="#222222"; }
32: if ($since>600) { $color="#444444"; }
33: if ($since>3600) { $color="#666666"; $userclass=$actl[1]; }
34: if ($since>7200) { $color="#888888"; }
35: if ($since>21600) { $color="#AAAAAA"; $userclass=$actl[2]; }
36: return ($color,$userclass);
37: }
38:
39: sub add_count {
40: my ($cat,$scope,$class)=@_;
41: if (!defined($usercount{$cat})) {
42: $usercount{$cat}={};
43: }
44: if (!defined($usercount{$cat}{$scope})) {
45: $usercount{$cat}{$scope}={};
46: }
47: $usercount{$cat}{$scope}{$class}++;
48: }
49:
50: sub main {
51: my $perlvar=LONCAPA::Configuration::read_conf('loncapa.conf');
52: delete $$perlvar{'lonReceipt'}; # remove since sensitive and not needed
53: delete $$perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
54:
55: my $oneline=($ENV{'QUERY_STRING'} eq 'simple');
56: my $justsummary=($ENV{'QUERY_STRING'} eq 'summary');
57: unless ($oneline) { print "<html><body bgcolor=#FFFFFF>\n<h1>User Status ".localtime()."</h1>"; }
58:
59: opendir(DIR,$$perlvar{'lonIDsDir'});
60: my @allfiles=(sort(readdir(DIR)));
61: foreach my $filename (@allfiles) {
62: if ($filename=~/^\./) { next; }
63: my ($dev,$ino,$mode,$nlink,
64: $uid,$gid,$rdev,$size,
65: $atime,$mtime,$ctime,
66: $blksize,$blocks)=stat($$perlvar{'lonIDsDir'}.'/'.$filename);
67: my $now=time;
68: my $since=$now-$mtime;
69: my $sinceacc=$now-$atime;
70: unless ($oneline || $justsummary) { print ("\n\n<hr />"); }
71: my %userinfo;
72: my $fh=IO::File->new($$perlvar{'lonIDsDir'}.'/'.$filename);
73: while (my $line=<$fh>) {
74: chomp($line);
75: my ($name,$value)=split(/\=/,$line);
76: $userinfo{$name}=$value;
77: }
78: $fh->close();
79: my ($color,$userclass)=&analyze_time($since);
80: &add_count('Overall','all',$userclass);
81: &add_count('Domain',$userinfo{'user.domain'},$userclass);
82:
83: unless ($oneline) {
84: if (!$justsummary) {
85: print '<font color="'.$color.'">';
86: print '<h3>'.$userinfo{'environment.lastname'}.', '.
87: $userinfo{'environment.firstname'}.' '.
88: $userinfo{'environment.middlename'}.' '.
89: $userinfo{'environment.generation'}." (".
90: $userinfo{'user.name'}."\@".$userinfo{'user.domain'}.
91: ")</h3>\n<b>Login time:</b> ".
92: localtime($userinfo{'user.login.time'}).
93: ' <b>Browser</b>: '.$userinfo{'browser.type'}." <b>Client:</b> ".
94: $userinfo{'request.host'}."<br />\n<b>Role: </b>".
95: $userinfo{'request.role'}." ";
96: }
97: &add_count('Browser',$userinfo{'browser.type'},$userinfo{'browser.version'});
98: if ($userinfo{'request.course.id'}) {
99: my $cid=$userinfo{'request.course.id'};
100: my $coursename= $userinfo{'course.'.$cid.'.description'}.
101: ' ('.$cid.')';
102: if (!$justsummary) { print "<b>Course:</b> ".$coursename; }
103: &add_count('Course',$coursename,$userclass);
104: } else {
105: if (!$justsummary) { print "Not in a course."; }
106: &add_count('Course','No Course',$userclass);
107: }
108: if (!$justsummary) {
109: print "<br /><b>Last Transaction:</b> ".localtime($mtime).
110: " (".$since." secs ago) <br /><b>Last Access:</b> ".
111: localtime($atime)." (".$sinceacc." secs ago)";
112: print ("</font>");
113: }
114: }
115: }
116: closedir(DIR);
117: open (LOADAVGH,"/proc/loadavg");
118: my $loadavg=<LOADAVGH>;
119: close(LOADAVGH);
120: unless ($oneline) {
121: print "<hr /><h2>User Counts</h2>";
122: # print "<pre>\n";
123: &showact('Overall',%usercount);
124: &showact('Domain',%usercount);
125: &showact('Course',%usercount);
126: &show('Browser',%usercount);
127:
128: # print "\n</pre>";
129: print "<b>Load Average:<b> ".$loadavg;
130: print "</body></html>";
131: } else {
132: foreach my $l1 (sort keys %usercount) {
133: foreach my $l2 (sort keys %{$usercount{$l1}}) {
134: foreach my $l3 (sort keys %{$usercount{$l1}{$l2}}) {
135: print $l1.'_'.$l2.'_'.$l3.'='.$usercount{$l1}{$l2}{$l3}.'&';
136: }
137: }
138: }
139: #clusterstatus values
140: foreach my $act (@actl) {
141: print "$act=".$usercount{'Overall'}{'all'}{$act}.'&';
142: }
143: print 'loadavg='.$loadavg;
144: }
145: }
146:
147: sub show {
148: my ($cat,%usercount)=@_;
149: print("<h3>$cat</h3>\n");
150: foreach my $type (sort(keys(%{$usercount{$cat}}))) {
151: print("<table border='1'><tr><th>$type</th><th>");
152: print(join("</th><th>",sort(keys(%{$usercount{$cat}{$type}}))));
153: my $temp;
154: my $count=0;
155: foreach my $version (sort(keys(%{$usercount{$cat}{$type}}))) {
156: $temp.="<td>".$usercount{$cat}{$type}{$version}.
157: "</td>";
158: $count+=$usercount{$cat}{$type}{$version};
159: }
160: print("</th></tr><tr><td>$count</td>");
161: print($temp."</tr></table>\n");
162: }
163: }
164:
165: sub showact {
166: my ($cat,%usercount)=@_;
167: print("<h3>$cat</h3>\n");
168:
169: print("<table border='1'><tr><th></th><th>");
170: print(join("</th><th>",('Any',@actl)));
171: print("</th></tr>");
172: foreach my $type (sort(keys(%{$usercount{$cat}}))) {
173: print("<tr><td>$type</td>");
174: my $temp;
175: my $count=0;
176: foreach my $activity (@actl) {
177: $temp.="<td> ".$usercount{$cat}{$type}{$activity}."</td>";
178: $count+=$usercount{$cat}{$type}{$activity};
179: }
180: print("<td>$count</td>");
181: print($temp);
182: }
183: print("</tr></table>\n");
184: }
185:
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